183 plants indexed.
Salishan STP is a secondary wastewater treatment plant in Lincoln County, Oregon, serving approximately 1,100 people. It discharges treated effluent near the Siletz Bay area on the Pacific coast.
RUFUS STP is a secondary wastewater treatment plant in Rufus, Oregon, serving 270 people. It discharges 155.20 million gallons per year and operates under the US Clean Water Act.
Rockaway Beach STP is a secondary treatment plant serving 1,500 people in Rockaway Beach, Oregon. It discharges treated wastewater near the Pacific coast, operating under US EPA NPDES regulations.
RICHLAND STP is a secondary treatment plant in Baker County, Oregon, serving a small population of 250. It discharges treated wastewater into the local watershed, supporting downstream water quality.
Prairie City STP is a secondary treatment plant serving 1,145 people in Prairie City, Oregon. It discharges treated wastewater into local waterways, supporting the John Day River basin.
POWERS STP is a secondary treatment plant serving 689 residents in Powers, Oregon. It discharges 223.34 million gallons per year and operates under US EPA NPDES regulations.
Port Orford STP is a secondary treatment plant serving 1,135 people in Port Orford, Oregon. It discharges 147.63 million gallons annually and is located within 10 km of the Pacific coast.
Pilot Rock STP is a secondary treatment plant serving 1,540 people in Umatilla County, Oregon. It discharges 643.52 thousand cubic meters annually within the Columbia River Basin.
Alpine County Service District is a secondary wastewater treatment plant in Alpine, Oregon, serving a small population of 191. It discharges 75.71 million gallons per year into local waterways.
PARKDALE STP is a secondary wastewater treatment plant serving 416 people in Parkdale, Oregon. It discharges 234.70 megaliters annually and has a designed capacity of 378.54 megaliters.
PAISLEY STP is a secondary treatment plant serving 250 people in Paisley, Oregon. It discharges 75.71 m³/day of treated wastewater, with a designed capacity of 189.27 m³/day.
Pacific City STP is an advanced wastewater treatment plant serving 2,131 people in Pacific City, Oregon. It discharges treated effluent near the Oregon coast, operating under the US Clean Water Act.
ODELL STP is an advanced wastewater treatment plant in Hood River County, Oregon, serving 1,653 people. It discharges treated water into the local watershed, supporting downstream water quality.
Oakland STP is an advanced wastewater treatment plant serving approximately 940 people in Oakland, Oregon. It discharges treated water into local waterways, supporting environmental health in the Umpqua River basin.
North Powder STP is a secondary treatment plant serving 490 people in North Powder, Oregon. It discharges 151.42 megaliters annually and operates under U.S. EPA NPDES regulations.
NETARTS OCEANSIDE SANITARY DISTRICT is a secondary treatment plant in Oceanside, Oregon, serving about 1,867 people. It discharges 492.10 megaliters of treated wastewater annually, with a designed capacity of 1,514.16 megaliters.
Neskowin Regional Sanitary Authority serves 510 people in Neskowin, Oregon, with advanced wastewater treatment. The plant discharges 416.40 megaliters annually into the local coastal environment.
Mount Vernon STP is a secondary wastewater treatment plant in Mount Vernon, Oregon, serving a population of 695. It discharges treated effluent into the local watershed, supporting downstream water quality.
MOSIER STP is a secondary treatment plant in Wasco County, Oregon, serving 430 people. It discharges 113.56 units of treated wastewater and has a designed capacity of 321.76 units.
MONROE STP is a secondary treatment plant serving 610 people in Monroe, Oregon. It discharges 446.68 volume units daily with a designed capacity of 681.37, operating under U.S. Clean Water Act regulations.
UtilityRadar indexes 183 wastewater treatment plants in Oregon, with treatment level, capacity, operator and discharge data on each record.
Among the indexed plants, NESKOWIN REGIONAL SANITARY AUTHORT has the highest designed capacity at 2,839 m3/day.